Automatic welding method for microdeformation of cylinder sleeve of bottom upright of large hydraulic support
A hydraulic support and automatic welding technology, which is applied in the direction of welding medium, welding equipment, welding equipment, etc., can solve the problems of high heat input, large deformation, and unreachable pistons, and achieve high laser energy input, fast welding speed, and improved The effect of work efficiency
Inactive Publication Date: 2012-08-01
LIAONING TECHNICAL UNIVERSITY
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The invention discloses an automatic welding method for the microdeformation of a cylinder sleeve of a bottom upright of a large hydraulic support, belonging to the technical field of laser welding and relating to a welding method for a cylinder sleeve of a bottom upright of a hydraulic support, in particular to a self-fluxing high-energy rapid laser input welding method capable of controlling deformation in a welding process. The automatic welding method for the microdeformation of the cylinder sleeve of the bottom upright of the large hydraulic support, provided by the invention, can be used for effectively controlling the deformation after the cylinder sleeve is welded, so that the stroke of the bottom upright of the hydraulic support is up to the maximum. The method is carried out according to the following steps of: fixing a to-be-welded cylinder sleeve of the bottom upright of the hydraulic support and a base of the cylinder sleeve on a chuck of a numerical control machine tool; filling iron-base alloy powder into a powder feeding device coaxial with the optical axis of a laser beam of a laser; setting the parameter of the powder feeding device and the laser welding parameter of the laser; and starting the laser, the powder feeding device and the numerical control machine tool to automatically finish the welding process.
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